Human Activity Is Thought To Exacrebate `natural` Hazards In Some Situations. An Example Is The Claim That Logging And Other Forestry Operations That Leave The Ground Bare Can Result In Worse Flooding Problems In Surrounding Areas. What Mechanisms Could A

Impact of merciful Activities on immanent HazardsNatural hazards are signifier pass onring phenomena that engender disastrous impingement on homoity . These phenomena had been in existence even before the advent of kind-heartedity . The uncertain dimension of these natural phenomena are in the context of the involve that such a phenomenon would have on human population in the area affected by that phenomenon . In this come upon , the effect that human activity has on these natural hazards would be analyzed . Some human activities whitethorn be plaguey the factors that coiffe the natural hazard , give care the impact of overweening and unplanned logging on floods and droughts . In certain former(a) cases the human activities may cause subsequent or appurtenant hazards to a primary hazard circumstance , like str ucture dams in earthquake prone zones may check to brazen floods and landslides in the slip of a ruptureA hazard bottomland be delineate as an event that has the latent to cause damage . This potential may be on account of its unlooked-for measure of fallrence or the actual intensity of the event itself . Human societies can withstand these events within a usual outstrip of occurrence . However human societies become conquerable when these events occur unexpectedly or are of an intensity or period that falls beyond that normal scale (O Hare and Rivas , 2005 . Natural hazards can be large-mindedly classified under the heads of geological , hydrological , climatic and diseases .

This essay would limit its scope to analyzing causal relationships , if either of human activities on landslides , floods and drought and the secondary hazards triggered by those activities in the event of an earthquakeOf all human activities that have a show or indirect impact on natural hazards , de plantation is by far the most significant Deforestation is the removal or destruction of forest cover of an area It may occur due to unscientific logging practices without regeneration and may be accompanied by subsequent conversion to non-forest consumption like agriculture , pasture , urban , mining or industrial development , fallow or wetlandAt a very broad level , it has been argued that deforestation is a major cause of world-wide climatic changes . It has been predicted that removal of forest cover allow for lead to violent and unpredictable environmental fluctuations . At a small landscape , deforestation has a direct look upon the climatic , hydrological , e daphic and biological aspects of that area . Deforestation is associated with higher levels of mark wearing and landslides , sedimentation in river beds and changes in fluvial syllable structure (Haigh , 1984 . instead a few of these effects of deforestation have a direct bearing on the natural hazards that allow for be covered in this essayOne of the major functions of a forest is to fight the humidity level in the atmosphere . Trees charter groundwater done and by means of their roots and transpire the excess water through their leaves . Forests return a major part of the rainfall authentic by them through evapotranspiration . Annual evapotranspiration in tropical wet lowland forests ranges up to 1500 mm per year , with transpiration accounting for a maximum of 1045 mm per year (Bruijnzeel , 1990...If you want to get a full essay, order it on our website: BestEssayCheap.com

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